<template>
	<view class="preview" v-if="currentInfo">
		<swiper circular :current="currentIndex" @change="swiperChange">
			<swiper-item v-for="(item,index) in classList" :key="item._id">
				<image v-if="readImgs.includes(index)" @click="maskChange" :src="item.picurl" mode="aspectFill"></image>
			</swiper-item>
		</swiper>
		
		<view class="mask" v-if="maskState">
			<view class="goBack" @click="goBack" :style="{top:getStatusBarHeight()+'px'}">
				<uni-icons type="back" size="20" color="#fff"></uni-icons>
			</view>
			<view class="count">
				{{currentIndex+1}} / {{classList.length}}
			</view>
			<view class="time">
				<uni-dateformat :date="new Date()" format="hh:mm"></uni-dateformat>
			</view>
			<view class="date">
				<uni-dateformat :date="new Date()" format="MM月dd日"></uni-dateformat>
			</view>
			<view class="footer">
				<view class="box" @click="clickInfo">
					<uni-icons type="info" size="28"></uni-icons>
					<view class="text">
						信息
					</view>
				</view>
				<view class="box" @click="clickScore">
					<uni-icons type="star" size="28"></uni-icons>
					<view class="text">
						{{currentInfo.score}}分
					</view>
				</view>
				<view class="box" @click="clickDownload">
					<uni-icons type="download" size="23"></uni-icons>
					<view class="text">
						下载
					</view>
				</view>
			</view>
		</view>
		
		<uni-popup ref="infoPopup" type="bottom">
			<view class="infoPopup">
				<view class="popHeader">
					<view></view>
					<view class="title">
						壁纸信息
					</view>
					<view class="close" @click="clickInfoClose">
						<uni-icons type="closeempty" size="18" color="#999"></uni-icons>
					</view>
				</view>
				<scroll-view scroll-y="true" >
					<view class="content" v-if="currentInfo">
						<view class="row">
							<view class="label">
							   壁纸ID：
							</view>
							<text selectable class="value">{{currentInfo._id}}</text>
						</view>
						<!-- <view class="row">
							<view class="label">
							   分类：
							</view>
							<text selectable class="value class">明星美女</text>
						</view> -->
						<view class="row">
							<view class="label">
							   发布者：
							</view>
							<text selectable class="value">{{currentInfo.nickname}}</text>
						</view>
						<view class="row">
							<view class="label">
							  评分：
							</view>
							<view class="value roteBox">
								<uni-rate readonly touchable :value="currentInfo.score" size="16"/>
								<text class="score">{{currentInfo.score}}</text>
							</view>
						</view>
						<view class="row">
							<view class="label">
							   摘要：
							</view>
							<text selectable class="value">{{currentInfo.description}}</text>
						</view>
						<view class="row">
							<text class="label">
							   标签：
							</text>
							<view class="value tabs">
								<view class="tab" v-for="item in currentInfo.tabs">
									{{item}}
								</view>
							</view>
						</view>
						
						<view class="copyright">
							声明：本图片来自用户投稿，非商业使用，用于交流学习，如果侵犯了您的权益，请联系管理员邮箱2021241341@qq.com谢谢您的谅解。
						</view>
						<view class="safe-area-insert-bottom">
							
						</view>
					</view>
				</scroll-view>
			</view>	
		</uni-popup>
		
		<uni-popup ref="scorePopup" :is-mask-click="false" :safe-area="false">
			<view class="scorePopup">
				<view class="popHeader">
					<view></view>
					<view class="title">
						{{isScore?'评分过了~':'壁纸评分'}}
					</view>
					<view class="close" @click="clickScoreClose">
						<uni-icons type="closeempty" size="18" color="#999"></uni-icons>
					</view>
				</view>
				
				<view class="content">
					<uni-rate v-model="userScore" 
					allowHalf 
					:disabled="isScore"
					disabled-color="#EFCA3E"/>
					<text class="text">{{userScore}}</text>
				</view>
				<view class="footer">
					<button @click="submitScore" :disabled="!userScore || isScore" type="default" size="mini" plain>确认评分</button>
				</view>
			</view>
		</uni-popup>
	</view>
</template>

<script setup>
import {ref} from 'vue';
import {onLoad , onShareAppMessage , onShareTimeline} from "@dcloudio/uni-app"
import {getStatusBarHeight} from "@/utils/system.ts"
import { apiGetSetupScore , apiWriteDownload , apiDetailWall} from '../../api/apis'; 
const maskState = ref(true)
const isScore = ref(false)
//点击info弹窗
const infoPopup = ref(null);
const scorePopup = ref(null);
const userScore = ref(0)
const classList = ref([]);
const currentId = ref(null)
const currentIndex = ref(0)
const currentInfo = ref(null)
const readImgs = ref([])
//读取数组对象
const storgClassList = uni.getStorageSync("storgClassList") || []
classList.value = storgClassList.map(item=>{
	return {
		...item,
		picurl:item.smallPicurl.replace("_small.webp",".jpg")
	}
})

//接收id用于索引等等
onLoad(async(e)=>{
	currentId.value = e.id;
	if(e.type == 'share'){
		let res = await apiDetailWall({id:currentId.value})
		classList.value = res.data.map(item=>{
			return {
				...item,
				picurl:item.smallPicurl.replace("_small.webp",".jpg")
			}
		})
	}
	currentIndex.value = classList.value.findIndex(item=>item._id == currentId.value)
	currentInfo.value = classList.value[currentIndex.value]
	readImgsFun()
})

//滑动改变swiper的值
const swiperChange = (e) =>{
	currentIndex.value=e.detail.current;
	currentInfo.value = classList.value[currentIndex.value]
	readImgsFun()
}
//优化图片加载
function readImgsFun() {
		readImgs.value.push(
			currentIndex.value <= 0 ? classList.value.length - 1 : currentIndex.value - 1,
			currentIndex.value,
			currentIndex.value >= classList.value.length - 1 ? 0 : currentIndex.value + 1
		)
		readImgs.value = [...new Set(readImgs.value)];
	}
const clickInfo=()=>{
	infoPopup.value.open();
}
//点击关闭信息弹窗
const clickInfoClose =()=>{
	infoPopup.value.close();
}

//评论弹窗
const clickScore=()=>{
	if(currentInfo.value.userScore){
		isScore.value = true;
		userScore.value = currentInfo.value.userScore;
	}
	scorePopup.value.open();
}
//关闭评分框
const clickScoreClose=()=>{
	scorePopup.value.close();
	userScore.value=0
	isScore.value = false;
}
//确认评分
const submitScore=async()=>{
	uni.showLoading({
		title:"加载中"
	})
	let {classid,_id:wallId} = currentInfo.value;
	let res = await apiGetSetupScore({
	    classid,
		wallId,
		userScore:userScore.value
	})
	uni.hideLoading()
	if(res.errCode === 0){
		uni.showToast({
			title:"评分成功",
			icon:"none"
		})
		classList.value[currentIndex.value].userScore = userScore.value
		uni.setStorageSync("storgClassList",classList.value)
		scorePopup.value.close();
	}
}
//遮罩层状态
const maskChange =()=>{
	maskState.value = !maskState.value
}

//返回上一页
const goBack = ()=>{
	uni.navigateBack({
		success:()=>{
			
		},
		fail:(err)=>{
			uni.reLaunch({
				url:"/pages/index/index"
			})
		}
	})
}

//点击下载
	const clickDownload = async () => {

		// #ifdef H5
		uni.showModal({
			content: "请长按保存壁纸",
			showCancel: false
		})
		// #endif

		// #ifndef H5
		try {

			uni.showLoading({
				title: "下载中...",
				mask: true
			})
			//壁纸下载接口
			let {
				classid,
				_id: wallId
			} = currentInfo.value;
			let res = await apiWriteDownload({
				classid,
				wallId
			})
			if (res.errCode != 0) throw res;
			uni.getImageInfo({
				src: currentInfo.value.picurl,
				success: (res) => {
					uni.saveImageToPhotosAlbum({
						filePath: res.path,
						success: (res) => {
							uni.showToast({
								title: "保存成功，请到相册查看",
								icon: "none"
							})
						},
						fail: err => {
							if (err.errMsg == 'saveImageToPhotosAlbum:fail cancel') {
								uni.showToast({
									title: '保存失败，请重新点击下载',
									icon: "none"
								})
								return;
							}
							uni.showModal({
								title: "授权提示",
								content: "需要授权保存相册",
								success: res => {
									if (res.confirm) {
										uni.openSetting({
											success: (setting) => {
												console.log(
													setting);
												if (setting
													.authSetting[
														'scope.writePhotosAlbum'
														]) {
													uni.showToast({
														title: "获取授权成功",
														icon: "none"
													})
												} else {
													uni.showToast({
														title: "获取权限失败",
														icon: "none"
													})
												}
											}
										})
									}
								}
							})
						},
						complete: () => {
							uni.hideLoading();
						}
					})

				}
			})

		} catch (err) {
			console.log(err);
			uni.hideLoading();
		}
		// #endif
	}
	
    //分享给好友
	onShareAppMessage((e)=>{
		return{
			title:"cheems壁纸",
			path:"/pages/preview/preview?id="+currentId.value+"&type=share"
		}
	})
	
	//分享到朋友圈
	onShareTimeline(()=>{
		return{
			title:"cheems壁纸",
			query:"id="+currentId.value+"&type=share"
		}
	})	
</script>

<style lang="scss" scoped>
.preview{
	width: 100%;
	height: 100vh;
	position: relative;
	swiper{
		width: 100%;
		height: 100%;
		image{
			width: 100%;
			height: 100%;
		}
	}
	.mask{
		/* right: 0;
		left: 0;
		margin: auto;
		 自动居中*/
		&>view{
			position: absolute;
			left: 0;
			margin: auto;
			right: 0;
			color: #fff;
			width: fit-content;
		}
		.goBack{
			width: 38px;
			height: 38px;
			background: rgba(0,0,0,0.5);
			left: 30rpx;
			margin-left: 0;
			border-radius: 100px;
			top: 0;
			backdrop-filter: blur(10rpx);
			border: 1rpx solid reba(255,255,255,0.3);
			display: flex;
			align-items: center;
			justify-content: center;
		}
		.count{
			top: 10vh;
			background: rgba(0,0,0,0.3);
			font-size: 28rpx;
			border-radius: 40rpx;
			padding: 8rpx 28rpx;
			backdrop-filter: blur(10rpx);
		}
		.time{
			font-size: 140rpx;
			top: calc(10vh + 80rpx);
			font-weight: 100;
			line-height: 1em;
			text-shadow: 0 4rpx rgba(0,0,0,0.3);
		}
		.date{
			font-size: 34rpx;
			top:calc(10vh + 230rpx);
			text-shadow: 0 2rpx rgba(0,0,0,0.3);
		}
		.footer{
			background: rgba(255,255,255,0.8);
			bottom: 10vh;
			width: 65vw;
			height: 120rpx;
			border-radius: 120rpx;
			display: flex;
			justify-content: space-around;
			align-items: center;
			color: #000;
			box-shadow:  0 2rpx 0 rgba(0,0,0,0.1);
			backdrop-filter: blur(20rpx);
			.box{
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				padding: 2rpx 12rpx;
				.text{
					font-size: 26rpx;
					color: $text-font-color-2;
				}
			}
		}
	}
	
	.popHeader{
		display: flex;
		justify-content: space-between;
		align-items: center;
		.title{
			color:$text-font-color-2;
			font-size: 26rpx;
		}
		.close{
			 padding: 6rpx;
		}
	}
	
	.infoPopup{
		background:#fff;
		padding: 30rpx;
		border-radius: 30rpx 30rpx 0 0;
		overflow: hidden;
		scroll-view{
			max-height: 60vh;
			.content{
				.row{
					display: flex;
					padding: 16rpx 0;
					font-size: 32rpx;
					line-height: 1.7rem;
					.label{
						color: $text-font-color-3;
						width: 140rpx;
						text-align: right;
						font-size: 30rpx;
					}
					.value{
						flex: 1;
						width: 0;
					}
					.roteBox{
						display: flex;
						align-items: center;
						.score{
							font-size:26rpx ;
							color: $text-font-color-2;
							padding-left: 10rpx;
						}
					}
					.tabs{
						display: flex;
						flex-wrap: wrap;
						.tab{
							border: 1px solid $brand-theme-color;
							color: $brand-theme-color;
							font-size: 22rpx;
							padding: 10rpx 30rpx;
							border-radius: 40rpx;
							line-height: 1em;
							margin: 0 10rpx 10rpx 0;
						}
					}
					.class{
						color: $brand-theme-color;
					}
				}
				.copyright{
					font-size: 28rpx;
					padding: 20rpx;
					background: #F6F6F6;
					color: #666;
					border-radius: 10rpx;
					margin: 20rpx 0;
					line-height: 1.6em;
				}
			}
		}
		
	}
	.scorePopup{
	    background: #fff;
	    padding: 30rpx;
	    width: 70vw;
	    border-radius: 30rpx;
		.content{
			padding: 30rpx 0;
			display: flex;
			justify-content: center;
			align-items: center;
			.text{
				color:#FFCA3E;
				padding-left: 10rpx;
				width: 80rpx;
				line-height: 1em;
				text-align: right;
			}
		}
		.footer{
			padding: 10rpx 0;
			display: flex;
			align-items: center;
			justify-content: center;
		}
	}
	
}	       
</style>
